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GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

$49.98 USD

~~$94.99 USD~~ $49.98 USD

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Size 1A

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GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

MEET THE GENIUS1 — Similar to our G750, just better. It's 35% smaller and delivers over 35% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.
DO MORE WITH GENIUS — Designed for 6-volt and 12-volt lead-acid (AGM, Gel, SLA, VRLA) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.
ENJOY PRECISION CHARGING — An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.
CHARGE DEAD BATTERIES — Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.
BEYOND MAINTENANCE — Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.
RESTORE YOUR BATTERY — Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.
COMPATIBLE — Charges and maintains all types of vehicles, including cars, automobiles, motorcycles, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, classic cars, and more.
WHAT'S IN THE BOX — Includes a 1A charger, a direct wall plug-in, 110-inch DC cable with battery clamps, and integrated eyelet terminals, and 3-year warranty. Proudly designed in the USA.

The GENIUS1 is the ultimate all-in-one solution for battery charging, maintenance, and restoration, delivering 35% more power in a 35% smaller design compared to its predecessor, the G750. Designed for 6-volt and 12-volt lead-acid (AGM, gel, flooded, and deep-cycle) and lithium-ion (LiFePO4) batteries (up to 30 amp-hours), it is compatible with a vast array of vehicles, such as cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, snowmobiles, golf carts, classic cars, and more; including automotive brands like BMW, Mercedes-Benz, Porsche, Bentley, Maserati, Lexus, Audi, Ford, Chevrolet, Corvette, Cadillac, Prius, Toyota, Subaru, Nissan, powersport vehicles such as Harley-Davidson, Honda, Yamaha, Kawasaki, Ducati, Indian, KTM, Husqvarna, Vespa, Polaris, Seadoo, as well as lawn and garden vehicles such as John Deere, Kubota, Toro and more. Featuring an integrated thermal sensor, the GENIUS1 adjusts its charging profile based on ambient temperature, ensuring optimal performance by eliminating the risk of overcharging in hot climates and undercharging in cold ones. It's capable of charging batteries as low as 1 volt and offers a Force Mode for manually charging completely dead batteries (as low as zero volts). With precision pulse charging, the GENIUS1 restores battery health by reversing sulfation and acid stratification, improving performance and extending battery life. Its advanced monitoring system allows for safe, indefinite connection, making it perfect for long-term maintenance. The package includes a 1A charger (120-240VAC), a direct wall plug-in, 110-inch DC cable with battery clamps and integrated eyelet terminals, all backed by a three-year warranty. Proudly designed in the USA, the GENIUS1 combines power, reliability, and convenience in a compact design to keep your batteries ready for whatever lies ahead.

Color	Black
Item Weight	0.95 Pounds
Output Voltage	12 Volts
Product Dimensions	4.02"D x 3.43"W x 6.73"H
Size	1A

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Customer Reviews

5.0

Based on 4 reviews

5★

4★

3★

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1★

★★★★★

Great Battery Charger!

This battery charger is fantastic! It's easy to use and actually does the job well. In just about 48 hours, my dead battery was fully charged and is being maintained automatically now. At only $29, I wish I'd discovered the NOCO Smart Charger sooner.

Verified Purchase

M M. · June 2026

★★★★★

هذا الشاحن ممتاز لبطاريات الدراجات، سواء كانت 6 فولت أو 12 فولت. تأكدوا من أن التيار لا يقل عن 30 أمبير. إذا كنتم بحاجة إلى قدرة أعلى، من الأفضل اختيار شاحن بنفس الطراز ولكن بتيار 5 أمبير أو أكثر. خيار جيد.

Verified Purchase

A R. · November 2022

★★★★★

Great trickle charger at a good price.

The NOCO GENIUS smart car battery charger is popular for a reason. It's easy to use and really helps if you leave your car for a while. I found this out the hard way when I came back from a 6-week trip and my battery was dead. The charger didn't fully recharge it but it maintained it well enough that I could use a jump starter to get going. My dealer suggested using a trickle charger like this one, especially since cars nowadays have so many electronics that drain the battery. This one is simple enough that anyone can use it without messing things up. The price is solid too, especially if it's on sale. Overall, it's a smart buy for keeping your battery healthy.

Verified Purchase

J F. · December 2024

★★★★★

Great charger for maintenance

I've got to say, the NOCO GENIUS smart trickle charger is a lifesaver. It's easy to use and does a great job for anyone who leaves their car sitting for a while. I used to just turn off my car and think it was fine, but these days with all the tech in newer cars, that's not the case anymore. After a two-week trip, my car barely started, and after six weeks, I came home to a completely dead battery. I had a rough time even getting in because of the electronic locks. My dealer recommended getting a trickle charger, and I'm glad I found this one. It maintains the battery well, though charging from dead takes time, so don’t count on it for jump-starting. I love how straightforward it is; even my wife can handle it without worrying. Plus, it's pretty affordable, especially when it's on sale. I really think everyone should have one of these to avoid dead car issues after a trip. Pros: • Works well as a trickle charger • Easy to use • Safe for long periods • Affordable Cons: • Not the best for charging completely dead batteries • Doesn't jump-start I think you'll find it useful and it'll last for a long time.

Verified Purchase

J F. · December 2024